ActionScript 3.0 :: Generic Function To Place Component On Stage?

I am new to flash and ActionScript 3.0.I am learning ActionScript 3.0. My requirement/need is the AS3 code for placing any type of Component(viz., Button, CheckBox, ComboBox, ListBox, radiobutton, Slider, Scrollbar,Label,TextField, etc.,) on the stage with desired width,height, X and Y parameters(values) which we mention in "Properties" tab of Properties Window in flash.

Hence, What I need is, (say)a generic ActionScript 3.0 method/function, which places any of the components present in "Components Panel" onto the stage. i.e., As per my idea, the function prototype or signature may be like this:
function addComponent(int <width>, int <height>, int <XPos>, int <YPos>)

i.e., A basic programmer's task for defining a function for my requirement. I think,if I want to add a Button onto the stage at 100,100 pixel position and the button component's width and height are 50,50 respectively,
(i.e., button.X=button.Y=100 && button.width=button.height=50).
So, a button must be placed at 100,100, then, the sample code looks like this:
Button <btn_instance> = new Button(); //creates Button instance
<btn_instance>.addComponent(50,50,100,100); // properties of button.